Application
- Particularly for sewer pipes and fittings
Advantage of Using Nanotechnology
Certificates and Standards
- NanoScale Certification
$0.00
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Rainwater pipes are used to transfer the rain and snow water from roof of the buildings. Polyvinyl chloride (PVC) is kind of useful plastics in construction and buildings. By adding lubricants, this material will become softer and more flexible than plastics. If no lubricant and plasticizer is added, UPVC is obtained. Chemical resistance of this polymer makes it interesting for a variety of industries especially pipe industry. Usage of UPVC includes sewer pipelines, water mains and potable water services, power and telecommunication cables. These pipes are supposed to have chemical and corrosion resistance, high elasticity module and toughness, long term tensile strength and abrasion resistance, but they may become brittle exposed to cold atmosphere. In addition, they tend to deform and lose their strength in high temperature conditions. These pipes have been given better properties by addition of nanoparticles.
This product is unplasticized polyvinyl chloride (UPVC) nanocomposite profile containing nanoparticles. UPVC is among the widely used polymers in building construction which is the more suitable option compared to metal and wooden profiles due to features such as high durability and performance, easy formability, low thermal expansion, prevention of the energy loss and non-flammability. However, the brittleness and loss of color during exposure to UV radiation are some disadvantages of these profiles. as a solution, nanomaterials are added to the UPVC which improve the impact strength of the product.
More efficient heat transfer systems are increasingly preferred because of the accelerating miniaturization, on the one hand, and the ever-increasing heat flux, on the other hand. The poor heat transfer properties of the common fluids like water compared to most solids is a primary obstacle to the high compactness and effectiveness of heat exchangers. Passive enhancement methods such as enhanced surfaces are often employed in thermo-fluid systems. Therefore, the development of advanced heat transfer fluids with higher thermal conductivity and improved heat transfer is in strong demand. Nanofluids are heat transfer liquids with dispersed nanoparticles. The effectiveness of heat transfer enhancement has been found to be dependent on the amount of dispersed particle, material type, particle shape, etc.
Sulfur compounds are one of the main pollutants of the air and chemical processes which damage human health, water resources, catalysts and other devices. Removing sulfur compounds is one of the main processes in fossil fuel applications. Various inorganic sorbents are used to remove H2S in such applications. Among sorbents, zinc oxide is one of the most important sorbents for removal of H2S at moderate temperatures. This advantage is due to the fact that the thermodynamics of the ZnO-H2S reaction is more favorable than other desulfurizing sorbents and also has a higher sulfur absorption capability. Nanotechnology, relying on its unique features, has improved the performance and properties of the products.
Oxides of sulfur and nitrogen are the main air pollutants that are also responsible for acid rain. Excessive sulfur content in petroleum fractions such as naphtha, in addition to causing air pollutants, can corrode tanks, reactors, pipes and fittings. Currently desulfurization is carried out using desulphurization catalysts adjacent to hydrogen; thus at a certain temperature and pressure, as well as a specific proportion of hydrogen, sulfur atoms convert to hydrogen sulfide. Catalysts based on γ–alumina are commonly used for desulphurization. Alumina has various applications including ceramic membranes, paints, refinery and chemical catalysts, pollution control and base catalyst. The mesoporous γ–alumina with pore diameter in the range of 2 to 50 nm due to its high specific surface area, high porosity, good thermal stability and suitable pore distribution is used as the most common base catalyst in desulphurization.
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